Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

2014 BMW 4-series coupe pricing to start at $41,425; base six-cylinder costs $46,925

Tantalized by the 2014 BMW 4-series, but hesitant to put money down on the 3-series coupe replacement until you've had the chance to pore over a complete list of options packages? Once you've worked your way through the pricing guide below, you'll have no excuse not to head to your local BMW dealer. The online configurator went live a few months ago, but this is perhaps the most straightforward and easily digestible pricing breakdown so far.

Mercedes C63 AMG 'Edition 507' (2013) first official pictures

Mercedes has squeezed another 50bhp out of the C63 AMG, creating the 500bhp 'Edition 507' range. The power bump comes courtesy of forged pistons new connecting rods and a lightweight crankshaft inherited from the £160,000 SLS AMG supercar. Why is this special C63 AMG called the 'Edition 507'?

New Mercedes C-Class Estate revealed – arrives in the UK September 2014

The new Mercedes C-Class Estate (pictured) revealed The new Mercedes C-Class arrived at the Detroit Auto SHow in January and looks to be properly appealing – a mini S-Class and strong competition for the BMW 3-Series. Now we get the 2015 Mercedes C-Class Estate, which takes the new C-Class in to the load-lugging sector with a capacious take on the fine attributes of the C-Class saloon. A C-Class saloon from the B-pillars forward, the new C-Class Estate grows to 4702mm and gets a 2840mm wheelbase, enough for an extra 45mm of legroom in the back and with 490 litre of room for stuff in the boot with the seats up and 1510 litres with them folded away, and there are more options in between with new seats that split 40/20/40 and can be moved electrically.